2015498625 has 192 divisors, whose sum is σ = 4302305280. Its totient is φ = 831600000.

The previous prime is 2015498593. The next prime is 2015498677. The reversal of 2015498625 is 5268945102.

It is not a de Polignac number, because 2015498625 - 2⁵ = 2015498593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8029750 + ... + 8030000.

It is an arithmetic number, because the mean of its divisors is an integer number (22407840).

Almost surely, 2^2015498625 is an apocalyptic number.

2015498625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2015498625 is an abundant number, since it is smaller than the sum of its proper divisors (2286806655).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2015498625 is a wasteful number, since it uses less digits than its factorization.

2015498625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 2015498625 is about 44894.3050397264. The cubic root of 2015498625 is about 1263.1671864836.

The spelling of 2015498625 in words is "two billion, fifteen million, four hundred ninety-eight thousand, six hundred twenty-five".